CN105923005B - A kind of low-floor articulated track vehicle bogie suspension traction device - Google Patents

Abstract

The present invention relates to a kind of low-floor articulated track vehicle bogie suspension traction devices, including bolster composition, drawing pull bar composition, primary spring composition and secondary spring composition, the secondary spring composition is mounted between bolster composition and the framework of bogie, the bolster composition and drawing pull bar composition are two groups, bolster described in two groups forms the centre for being separately positioned on two groups of wheels pair, the composition of bolster described in every group is connect by one group of drawing pull bar composition with framework, is connected between the composition of bolster described in every group and car body by swing mechanism.The configuration of the present invention is simple is compact, light-weight, the transmitting of traction and brake force when vehicle operation can not only be better achieved, carry vertical, transverse direction, longitudinal loading, the small curve negotiation ability of vehicle is greatly improved, and height of floor from rail top can be reduced, vehicle drive performance also obtains larger raising.

Description

A kind of low-floor articulated track vehicle bogie suspension traction device

Technical field

The present invention relates to a kind of bogies of rail vehicle, in particular to a kind of to make on low-floor articulated track vehicle Bogie suspension traction device belongs to rail vehicle manufacturing technology field.

Background technique

Low-floor urban rail vehicle plays increasingly important role in many urban transportations, and in Low-floor urban rail vehicle In, bogie directly determines the stability of vehicle operation and multiplies as most important structure member, structure and parameters The comfort of seat.The bogie of existing Low-floor urban rail vehicle generally has that small curve negotiation ability is poor, the higher difficulty of floor With get on or off the bus setting and heavy traction device the problems such as.With being constantly progressive for city rail vehicle, the requirement to city rail vehicle is more next It is higher, it is therefore desirable to which that floor can be reduced conducive to get on or off the bus setting, and simple and compact for structure, curve negotiating energy by providing one kind Strong, the light-weight low-floor articulated track vehicle bogie suspension traction device of power.

Summary of the invention

Present invention is primarily aimed at solving the above problems and insufficient, a kind of simple and compact for structure, curve negotiating energy is provided Power is strong, low-floor articulated track vehicle bogie suspension traction device that is light-weight and can reducing height of floor from rail top.

To achieve the above object, the technical scheme is that

A kind of low-floor articulated track vehicle bogie suspension traction device, including bolster forms, drawing pull bar forms, Primary spring composition and secondary spring composition, the secondary spring composition are mounted between bolster composition and the framework of bogie, The bolster composition and drawing pull bar composition are two groups, and bolster described in two groups forms the centre for being separately positioned on two groups of wheels pair, The composition of bolster described in every group is connect by one group of drawing pull bar composition with framework, is led between the composition of bolster described in every group and car body Cross swing mechanism connection.

Further, the bolster composition includes bolster, is provided in the side of the bolster and forms with the drawing pull bar Multiple first drawing pull bars of connection install interface, extend downwardly a stretching in the center of the lower surface of the bolster Portion, the extension are inserted into the opening being architecturally arranged.

Further, lateral backstop is separately installed on the both lateral sides side wall for the opening being arranged on the framework, it is described Extension below bolster stretches between two lateral backstops, and there are between lateral backstop between the lateral backstop Gap.

Further, the lateral backstop is made of wearing layer, rubber layer and backplane level, and the wearing layer is located to be shaken with described The top layer of the extension contact of pillow, rubber layer are arranged between wearing layer and backplane level, and the backplane level is fixedly connected with framework.

Further, the other side opposite with first drawing pull bar installation interface on each bolster is equipped with cross To damper and vertical damper, the other end of the lateral damper and vertical damper is connect with framework.

Further, one lateral damper and two vertical dampers be installed in the side of each bolster, two The two sides of lateral damper are arranged in vertical damper.

Further, the lateral damper and vertical damper are by damper ontology, first connecting rod and the second connection Bar composition, the damper ontology are fixed on the side wall of bolster, and one end of the first connecting rod is connect with damper ontology And the other end is connect with second connecting rod, the damper fixing seat on the other end and framework of second connecting rod connects It connects, is connected by oscillating bearing between second connecting rod and first connecting rod and damper fixing seat.

Further, dust cover is cased on the outside of the oscillating bearing.

Further, the first drawing pull bar installation interface is seperated structure, and half is respectively arranged on two parts Circular opening simultaneously collectively constitutes circular the first installing port for being used to install drawing pull bar after fastening, and two parts pass through spiral shell Bolt is fixedly connected.

Further, formed in the bolster and be provided with lift between framework, the top of the lift with shake Pillow composition connection, the bottom end of the lift is connect with framework.

Further, the lift is two lifting bars, and two lifting bars are symmetricly set on along cross-car and shake Rest the head on the lower section of composition.

Further, the composition of drawing pull bar described in every group includes one or more drawing pull bar, drawing pull bar group described in two groups At the two curb girders centre for being mounted on framework and set up separately in the two sides of the center crossbeam, one end of the drawing pull bar and framework Center crossbeam connection, the second drawing pull bar for connect with drawing pull bar is provided on the center crossbeam, interface is installed.

Further, the composition of drawing pull bar described in every group includes two drawing pull bars, and two drawing pull bars are arranged in parallel in structure Between two curb girders of frame.

Further, there is the annular groove extended transversely on the center crossbeam of the framework, in two sides of annular groove Second drawing pull bar installation interface for being fixedly connected with the side-lining tie rod end is separately installed on wall.

Further, the second drawing pull bar installation interface is seperated structure, and half is respectively arranged on two parts Circular opening simultaneously collectively constitutes circular the second installing port for being used to install drawing pull bar after fastening, and two parts pass through spiral shell Bolt is fixedly connected.

Further, the drawing pull bar includes the flexural pivot of intermediate pull rod and both ends, in two balls of each flexural pivot One cylindrical body attachment base is respectively installed on hinged shaft.

Further, the swing mechanism includes slewing bearing and car body attachment base, and the slewing bearing is fixed It is mounted on bolster composition, the top of the car body attachment base is fixed on the car body, and lower part is fixed on the slewing bearing It is interior, in being provided centrally with for the oil filling mechanism for the slewing bearing oiling for the slewing bearing.

Further, the secondary spring composition is made of upper padding plate, lower bolster and the spring of centre, in the spring Portion is additionally provided with a vertical backstop, and the vertical backstop is fixed on the upper padding plate, is architecturally correspondingly arranged on one upwards Protrusion, the protrusion stretches to the inside of the spring after mounting, and is arranged with vertical backstop face, the vertical backstop Bottom and protrusion top between have vertical backstop gap.

To sum up content, a kind of low-floor articulated track vehicle bogie suspension traction device of the present invention are and existing There is technology to compare, has the advantages that

(1) present invention is connect with the car body in two adjacent section compartments by swing mechanism respectively using two groups of bolster compositions, And every group of bolster composition directly connect realization traction and braking, the suspension traction device by drawing pull bar composition respectively with framework Simple and compact for structure, light-weight, the transmitting of traction and brake force, carries vertical, horizontal when vehicle operation can not only be better achieved To, longitudinal loading, the small curve negotiation ability of vehicle is greatly improved, and whole is in flat structure, can substantially be dropped Low land plate face height, conducive to setting of getting on or off the bus, vehicle drive performance also obtains larger raising, while can reduce in vehicle marshalling The configuration quantity of bogie 1 saves vehicle manufacture, repair and maintenance cost.

(2) two groups of bolster compositions are connected by the center crossbeam of one group of drawing pull bar and framework respectively in the present invention, make two It is not influenced mutually between group bolster composition and two groups of drawing pull bar compositions, a bolster does not interfere with another in longitudinal movement The longitudinal movement of a bolster, and the vibratory impulse in a compartment is not transferred to another compartment, is independent of each other, and realizes two-phase Decoupling between adjacent car body greatly improves the comfort and reliability of operation of seating.

(3) each bolster can also utilize traction by the center crossbeam connection of two parallel drawing pull bars and framework Pull rod plays the role of anti-side rolling torsion rod, keeps vehicle operation more steady, with the structure for simplifying bogie.

Detailed description of the invention

Fig. 1 is present invention suspension traction device structural schematic diagram；

Fig. 2 is frame construction schematic diagram of the present invention；

Fig. 3 is the top view of Fig. 1；

Fig. 4 is the A-A cross-sectional view of Fig. 3；

Fig. 5 is the B-B cross-sectional view of Fig. 3；

Fig. 6 is the C-C cross-sectional view of Fig. 3；

Fig. 7 is the D direction view of Fig. 3；

Fig. 8 is damper structure schematic diagram of the present invention；

Fig. 9 is drawing pull bar structural schematic diagram of the present invention；

Figure 10 is the top view of Fig. 9；

Figure 11 is bolster composed structure schematic diagram of the present invention；

Figure 12 is the top view of bolster composed structure of the present invention；

Figure 13 is the F direction view of Figure 12；

Figure 14 is the G-G cross-sectional view of Figure 12；

Figure 15 is the structural schematic diagram that bolster of the present invention is connect with car body；

Figure 16 is oil nozzle mounting base structural schematic diagram of the present invention；

Figure 17 is the top view of Figure 16；

Figure 18 is lateral stop configurations schematic diagram of the invention；

Figure 19 is lifting rod structure schematic diagram of the present invention；

Figure 20 is secondary spring composition mounting structure schematic diagram of the present invention；

Figure 21 is secondary spring composed structure schematic diagram of the present invention；

Figure 22 is dust cover structure schematic diagram of the present invention.

As shown in Fig. 1 to Figure 22, bogie 1, framework 2 hangs traction device 3, and to 4, wheel 5, bolster composition 6 is led wheel The bar that is pulled composition 7, secondary spring composition 8, lateral damper 9, vertical damper 10, bolster 11, the installation of the first drawing pull bar connect Mouthfuls 12, accommodating cavity 13, slewing bearing 14, bolt 15, drawing pull bar 16, pull rod 16a, flexural pivot 16b, attachment base 16c, first Installing port 17, bolt 18, car body attachment base 19 pass through mouth 20, inner ring bolt 21, outer ring bolt 22, chassis 23, annular convex platform 24, annular erecting bed 25, oil filling mechanism 26, pump nozzle 27, oil fuel tube 28, oil nozzle mounting base 29, vertical accommodating chamber 30, closure 31, first laterally contains chamber 32, band 33, cavity 34, discharge outlet 35, the first reinforcing rib 36, damper mounting base 37, bolt hole 38, the second installing port 39, straight-through type pipe joint 40, mounting plate 41, longitudinal stopper section 42, bolt 43, extension 45, opening 46, Lateral backstop 47, wearing layer 47a, rubber layer 47b, the first bottom plate 47c, the second bottom plate 47d, third bottom plate 47e, internal thread hole 47f, bolt 48, adjustment gasket 49, mounting hole 50, lifting bar 51, fixing port 52, backing plate 53, locking backing plate 54, mounting blocks 55, Bolt 56, rotation stop plane 57, sealing ring 58, lifting opening 59, bayonet 60, stopper section 61, locating piece 62, nut 63, sealing ring 64, fovea superior part 65, upper padding plate 66, upper layer metal plate 66a, lower metal plate 66b, rubber layer 66c, centre bore 66d, upper spring Positioning protrusion 66e, lower bolster 67, positioning seat 67a, lower spring positioning protrusion 67b, interior spring adjusting pad 67c, outer spring adjusting pad 67d, Interior spring 68, outer spring 69, the first mounting groove 70, mounting portion 71, the second mounting groove 72, protective cover 73, vertical backstop 74, rubber 74a, Bottom plate 74b, baffle plate 74c, adjustment plate 74d, bolt 75, protrusion 76, center crossbeam 77, pin hole 78, positioning pin 79, curb girder 80, Mounting rail 81, end carriage 82, annular groove 83, the second drawing pull bar installation interface 84, bolt 85, bolt 86, damper ontology 87, the One connecting rod 88, the second connecting rod 89, bolt 90, oscillating bearing 91, connecting shaft 92, dust cover 93, opening 94, opening 95 are pricked Band 96, pouring orifice 97, second laterally contains chamber 98, vertical damper fixing seat 99, lateral damper fixing seat 100, turn-around machine Structure 101, lamina tecti 102, groove 103, nut 104, connecting rod 105.

Specific embodiment

Present invention is further described in detail with specific embodiment with reference to the accompanying drawing:

As shown in Figure 1, a kind of low-floor articulated track vehicle bogie suspension traction device, it is hinged to be mounted on low-floor On formula rail vehicle, which includes more piece compartment, and bogie 1, two sections are installed below the junction in every two section compartment Compartment is connect with the bogie 1 by swing mechanism 101 respectively.

Bogie 1 includes framework 2, suspension traction device 3, wheel to 4, driving motor (not shown), brake etc., is driven Dynamic motor is using four and respectively drives four wheels 5, and four driving motors and brake are respectively and fixedly installed to 2 two sides of framework Mounting rail 81 on, driving motor and brake are mounted on the outside of wheel 5, are arranged so the height for advantageously reducing floor.

As shown in Fig. 2, framework 2 includes two curb girders, 80, two end carriages 82, in the intermediate setting one of two curb girders 80 Heart crossbeam 77, two on the longitudinal direction (referring to vehicle body longitudinal direction) of two centrally disposed crossbeams 77 of 82 Parallel Symmetric of end carriage Side, two curb girders, 80, two end carriages 82 and a center crossbeam 77 form the frame structure of stud.The transverse direction of two curb girders 80 Outside on (referring to width of the carbody direction) is separately provided for the mounting rail 81 of installation driving motor and brake, center Using the structure of integrally casting shaping, the both ends of center crossbeam 77 are welded on the web of two curb girders 80 crossbeam 77.

As shown in Figures 3 to 5, suspension traction device 3 includes bolster composition 6, drawing pull bar composition 7, primary spring composition (not shown), secondary spring composition 8, lateral damper 9 and vertical damper 10 etc..Bolster composition 6 and drawing pull bar group It is two groups at 7, the structure of two groups of bolster compositions 6 is identical, is separately mounted to every group of wheel in two wheels 5 in 4 Between, two groups of bolster compositions 6 pass through swing mechanism 101 with the car body (not shown) in two adjacent section compartments respectively and connect, pole The earth improves the small curve negotiation ability of vehicle, and height of floor from rail top can be greatly reduced, conducive to setting of getting on or off the bus, vehicle Driving performance also obtains larger raising, is also conducive to reduce the abrasion of wheel and track, while can reduce in vehicle marshalling and turn to The configuration quantity of frame 1 saves vehicle manufacture, repair and maintenance cost.

Every group of bolster composition 6 connect by one group of drawing pull bar composition 7 with framework 2, every group of bolster form 6 lower section and Two groups of secondary spring compositions 8 are set between the end carriage 82 of framework 2, are pacified in the side towards 2 outside of framework of every group of bolster composition 6 Equipped with a lateral damper 9 and two vertical dampers 10, the car body of lateral damper 9 is arranged in two vertical dampers 10 Two sides in transverse direction include altogether four vertical dampers 10 and two lateral dampers 9 in each bogie 1, to decline The oscillation crosswise and vertical vibration for subtracting car body, improve the comfort of seating.

As shown in Fig. 3,4,5, every group of bolster composition 6 passes through the center crossbeam of one group of drawing pull bar composition 7 and framework 2 respectively 77 connections, two groups of drawing pull bar compositions 7 are arranged in the centre of two curb girders 80 and set up separately in the two sides of center crossbeam 77, and every group is led The bar that is pulled composition 7 includes one or more drawing pull bar 16, i.e., every group of bolster composition 6 passes through one or more drawing pull bar 16 It is connect with the center crossbeam 77 of framework 2, one end of drawing pull bar 16 is connect with bolster composition 6, the other end then center with framework 2 Crossbeam 77 connects.It is in flat structure that two groups of bolster compositions 6 and two groups of drawing pull bars, which form 7 cloth and postpone whole, can be into one Step reduces the height on floor.

In the present embodiment, preferably every group of drawing pull bar composition 7 includes two drawing pull bars 16, i.e. every group of bolster composition 6 is It is connect by two drawing pull bars 16 with the center crossbeam 77 of framework 2, two drawing pull bars 16 are arranged in parallel in framework 2 Between two curb girders 80.Two groups of bolster compositions 6 are connect by two drawing pull bars 16 with the center crossbeam 77 of framework 2 respectively, no But the transmitting of traction and brake force, carries vertical, transverse direction, longitudinal loading, and every is led when vehicle operation can be better achieved The be pulled end of bar 16 is all connected directly between on the center crossbeam 77 of framework 2, makes two groups of bolster compositions 6 and two groups of drawing pull bar groups It not being influenced mutually at 7, bolster composition 6 does not interfere with the longitudinal movements of another bolster composition 6 in longitudinal movement, and one The vibratory impulse in a compartment will not pass to another compartment, realize the decoupling between two adjacent car bodies, can be improved and multiply The comfort and reliability of operation of seat.In addition, every group of bolster composition 6 passes through two parallel drawing pull bars 16 and framework 2 Center crossbeam 77 connects, and can also play the role of anti-side rolling torsion rod using two parallel drawing pull bars 16, run vehicle It is more steady, and simplify the structure of bogie.

As shown in Figure 9 and Figure 10, the structure of drawing pull bar 16 includes the flexural pivot 16b of intermediate pull rod 16a and both ends, is drawn Two ends of bar 16a are in U-shape structure, and two flexural pivot 16b are inserted into U-shaped structure respectively through fastener and pull rod 16a It is fixedly connected.Flexural pivot 16b is made of the flexural pivot axis at center and the flexural pivot set of outer layer, and flexural pivot axis and flexural pivot set are cut with scissors by sphere curved surface Cooperation is connect, flexural pivot set is connect with pull rod 16a.One attachment base 16c is respectively installed on two flexural pivot axis of each flexural pivot 16b, two A attachment base 16c is symmetricly set on the two sides of end flexural pivot 16b, and attachment base 16c is the rubber material of cylindrical body, and center has Mounting hole (does not indicate) in figure, cooperates with the flexural pivot axis of flexural pivot 16b and fixes.

As shown in Fig. 5, Figure 11 to Figure 14, every group of bolster composition 6 includes a bolster 11, and bolster 11 is whole polygon in one The structure of shape, bolster 11 use monoblock cast structure, can not only guarantee its integral strength and rigidity, welding structure is avoided to generate Welding stress, greatly improve the bearing capacity of bolster 11, the thickness and weight of bolster 11 can also be reduced, be conducive to reduce floor The height in face, while being also conducive to vehicle and realizing lightweight.It is provided in the side of bolster 11 towards center crossbeam 77 and draws drawing The first drawing pull bar that bar 16 connects installs interface 12, and the first drawing pull bar installs interface 12 and 11 integrally casting shaping of bolster.

First drawing pull bar installs the quantity of interface 12 depending on the quantity of required drawing pull bar 16 to be mounted, this reality It applies in example, two drawing pull bars 16 are installed in the side of each bolster 11, and the end of each drawing pull bar 16 needs two first and leads The bar that is pulled installs interface 12, and to two attachment base 16c of 16 end of fixed traction pull rod, therefore the side of each bolster 11 is set Four the first drawing pull bar installation interfaces 12 are set, four the first drawing pull bar installation interfaces 12 are disposed side by side on bolster in linear type 11 side, intermediate two the first drawing pull bars installation interface 12 are closely packed together or are structure as a whole.Four first tractions are drawn The upper surface of bar installation interface 12 all has a reclinate arch section, reduces drawing pull bar composition 7 in favor of whole Mounting height, and then be conducive to reduce floor height.

There is the circle for accommodating 16 end attachment base 16c of drawing pull bar on each first drawing pull bar installation interface 12 The first installing port of shape 17, the flexural pivot 16b of 16 end of drawing pull bar is located between two the first drawing pull bar installation interfaces 12, every Setting four are used for the bolt hole (not shown) of fixing bolt 18 on the two sides of a first drawing pull bar installation interface 12.

In order to facilitate dismounting, in the present embodiment, four the first drawing pull bars installation interfaces 12 are disposed as seperated knot Structure is divided into upper and lower two parts, semicircular opening is respectively arranged on upper and lower two parts, common group after fastening At circular first installing port 17, the bolt hole of fixing bolt 18 is correspondingly arranged on upper and lower two parts, the first traction is drawn The attachment base 16c of 16 end of drawing pull bar is tightly fixed to first after fastening by upper and lower two parts of bar installation interface 12 In installing port 17, finally upper and lower two parts are fixed together with four bolts 18 and realize the fixed installation of drawing pull bar 16. Wherein, the top half of the first drawing pull bar installation interface 12 and bolster 11 are integrally machined molding, and lower half portion is separately installed；? First drawing pull bar can be installed into the lower half portion of interface 12 and bolster 11 is integrally machined molding, top half is separately installed. As shown in Figure 9 and Figure 10, fixed with the first drawing pull bar installation interface 12 for convenience, in the excircle of each attachment base 16c On be provided with a pin hole 78, as shown in figure 5, correspondingly the first drawing pull bar installation interface 12 upper part or lower part on One pin hole is set, and when installation installs a positioning pin 79 in the pin hole 78 of attachment base 16c, installs interface 12 with the first drawing pull bar On pin hole cooperation, so that drawing pull bar 16 is accurately installed, and installation effectiveness can be improved.

As shown in Figure 11, Figure 12 and Figure 13, in the present embodiment, in order to reinforce the fixation of the first drawing pull bar installation interface 12 Intensity enables drawing pull bar 16 to be fixedly secured, and is additionally provided with one piece of mounting plate in the top of the first drawing pull bar installation interface 12 41, two bolts 18 that every two is disposed adjacent are correspondingly arranged one piece of mounting plate 41.Mounting plate 41 is in step-like structure, in junior There are two bolts hole for setting on step, and mounting plate 41 is fixed on the first drawing pull bar installation interface 12 to pass through bolt 43 On, there are two bolt hole (not indicating in figure), two bolts hole to respectively correspond first with lower section for setting on higher level's step Drawing pull bar installs the bolt hole perforation on interface 12, and bolt 18 is also cross the bolt on the first drawing pull bar installation interface 12 The bolt hole on higher level's step on hole and mounting plate 41, which fixes two parts up and down of the first drawing pull bar installation interface 12, to be connected It is connected together.

As shown in Fig. 6, Figure 11 to Figure 15, swing mechanism 101 includes slewing bearing 14 and car body attachment base 19, is being shaken The center for resting the head on 11 upper surfaces has the accommodating cavity 13 of downward indent, and slewing bearing 14, revolution branch are installed in accommodating cavity 13 The border of support bearing 14 is fixedly connected by multiple bolts 15 with bolster 11, and accommodating cavity 13 can protect slewing bearing 14, and the bearing capacity of slewing bearing 14 can be improved.The one perforative bolt hole 38 of circle of setting, bolt hole 38 on bolster 11 For counter sink, multiple bolts 15 are fixedly connected from corresponding be inserted into bolt hole 38 in bottom with slewing bearing 14, bolt 15 Head installation after be located at counter sink inside, such purpose is in order to facilitate the installation of, the head of bolt 15 to be avoided to extend out to The outside of bolster 11 also functions to the effect of guarantee.

As shown in figure 15, car body attachment base 19 is in a discoid structure, and the center of car body attachment base 19, which has, passes through mouth 20, it raises upward to form annular convex platform 24 along by mouth 20, annular convex platform 24 is inserted into during installation inside the chassis 23 of car body, Conducive to installation positioning, inside and outside two circles bolt is being arranged by the periphery of mouth 20, inner ring bolt 21 totally 12 with the chassis 23 of car body It is fixedly connected, outer ring bolt 22 is fixedly connected for 24 totally with slewing bearing 14, and outer ring bolt 22 is simultaneously by vehicle body bottom frame 23 It is fixedly connected, operator is facilitated to be mounted on slewing bearing 14 after being fixedly connected with car body attachment base 19 with chassis 23 It is interior, it can be fixed by car body attachment base 19 and slewing bearing 14 by outer ring bolt 22 from the top of vehicle body bottom frame 23.Car body The downwardly projecting annular erecting bed 25 of a circle, annular erecting bed are also set up in the periphery by mouth 20 on the lower surface of attachment base 19 25 are pressed into during installation to the inside of slewing bearing 14 and fix.It is in the lower half portion of the outer circumference surface of annular erecting bed 25 To the inclined conical surface of center position, preferable guiding role is played during installation, is conducive to installation.Car body attachment base 19, which is integrated, to be added Work forms, and overall structure is simple, easy to process, is also conducive to installation.

Bolster 11 is connect by slewing bearing 14 with the chassis 23 of car body, is carried and is hung down by slewing bearing 14 To, vertical and horizontal load, 360 degree of rotations are may be implemented in slewing bearing 14, are realized the too small curve of surface car (such as 25m) Requirement, improve the small curve negotiation ability of vehicle.

As shown in Fig. 6, Figure 12, Figure 14 and Figure 15, a set of oil filling mechanism 26 is also equipped on bolster 11, for being revolution 14 oiling of spring bearing, to guarantee that slewing bearing 14 works normally.Oil filling mechanism 26 includes one group of pump nozzle 27, this implementation In example, to guarantee oiling effect, it is distributed more uniformly across lubricating oil in slewing bearing 14, there are four pump nozzles for setting altogether 27, four pump nozzles 27 are separately connected four oil fuel tubes 28, and the end of four oil fuel tubes 28 is separately installed with a through type pipe Connector 40, oil fuel tube 28 pass through the connection of straight-through type pipe joint 40 and slewing bearing 14.

Four pump nozzles 27 are mounted in an oil nozzle mounting base 29, and oil nozzle mounting base 29 uses high abrasion-resistance nylon material one Body injection molding is directly taken and is set at the center of the accommodating cavity 13 of bolster 11, i.e. four pump nozzles 27 are mounted on slewing bearing 14 center.There are four gap for setting on the annular erecting bed 25 of car body attachment base 19, in indentation slewing bearing Four oil fuel tubes 28 are avoided when 14 inside.

Four pump nozzles 27 use self-sealed pump nozzle, and inside has elastic element, when needing oiling, operator The self-sealing that member presses downwards 27 top of pump nozzle blocks 31, the opening of closure 31 can be connected to pouring orifice, at the end of oiling, only Need to unclamp closure 31, blocking 31 can pop up under the action of elastic element and seal up pouring orifice.

As shown in Figure 16 and Figure 17, it is in cylindrical structure that oil nozzle mounting base 29 is whole, and the bottom of cylindrical body, which is taken, sets in bolster 11 On, there are four the vertical accommodating chambers of the substantially semicircular in shape of the vertically upper indent extended for setting on the border of cylindrical body 30, four pump nozzles 27 are separately mounted in four vertical accommodating chamber 30, the oiling of 30 pairs of vertical accommodating chamber installations inside it Mouth 27 not only plays the role of support, while also playing protection to pump nozzle 27 during vehicle movement.

On the border of oil nozzle mounting base 29 other than the vertical accommodating chamber 30 of vertically extending setting, also has and transversely prolong The first of the setting for the circular cylindrical body excircle stretched laterally contains chamber 32, and four oil fuel tubes 28 pass through pipe fitting and four respectively The bottom of pump nozzle 27 connects.As shown in figure 14, four oil fuel tubes 28 are fixed by band 33 after connecting, by four oil fuel tubes 28 It is fixedly secured in oil nozzle mounting base 29, band 33 is bundled in the first position for laterally containing chamber 32.Not using the binding of band 33 But it is possible to prevente effectively from making loose or dislocation between oil fuel tube 28 and pump nozzle 27 in vehicle operation, also make dismounting very square Just.It extends transversely on the cylindrical body excircle and is additionally provided with second and laterally contains chamber 98, second, which laterally contains chamber 98, is located at First laterally contains the lower section of chamber 32, and second is arranged herein and laterally contains 98 convenience of chamber in bottom bending outward for oil fuel tube 28 28 bending of oil fuel tube, the effect of protection is also functioned to oil fuel tube 28.Because oil fuel tube 28 is copper pipe, it is using the intensity of itself The pump nozzle 27 of sustainable top, bundling oil fuel tube 28 by band 33 can be realized fixation to pump nozzle 27, installation knot Structure is simple and convenient.

At corresponding 19 center of car body attachment base by being equipped with a movable lamina tecti on the vehicle body bottom frame above mouth 20 102, when needing oiling, the pump nozzle 27 of lower section, top cover plate 102 after oiling can be leaked out by opening lamina tecti 102 , not only may be implemented to carry out oiling to slewing bearing 14 at any time, also facilitate simple and direct, be also convenient for daily maintenance.

As is illustrated by figs. 11 and 12, it on two angles of 11 upper surface of bolster, also sets up there are two cavity 34, sets here Reinforcing rib can be played the role of by setting cavity 34, improve the structural strength and rigidity of entire bolster 11.In two cavitys 34 also A discharge outlet 35 is had, discharge outlet 35 runs through bolster 11, to facilitate the rainwater and flushing water that accumulate in in cavity 34 Discharge.As is illustrated by figs. 11 and 12, it is also respectively provided with and outwardly protrudes on the outside of four sides to centre convergence of bolster 11 The first reinforcing rib 36.

As shown in figure 13, on the lower surface of bolster 11, the marginal position positioned at the outside of framework 2 is also provided with that there are two downwards The damper mounting base 37 of stretching, lateral damper 9 and vertical damper 10 are fixedly mounted on damper installation by bolt 90 On seat 37, damper mounting base 37 is two be arranged side by side, one of them hangs down for fixing a lateral damper 9 and one To damper 10, another is for fixing another vertical damper 10.First reinforcing rib 36 and damper mounting base 37 with shake Pillow 11 is integrally formed, and the arc transition between bolster 11, the setting of the first reinforcing rib 36 and damper mounting base 37 are ok Further increase the structural strength and rigidity of entire bolster 11.

As shown in Fig. 4, Fig. 6, Figure 13 and Figure 14, an extension is extended downwardly in the center of the lower surface of bolster 11 45, extension 45 and bolster 11 are integrally formed, and can also be welded and fixed.As shown in Fig. 2, corresponding extension 45, at the end of framework 2 An opening 46 being inserted into for extension 45, the structure that opening 46 is rectangle, the length in cross-car are provided on beam 82 Greater than in the longitudinal length of car body.Corresponding two bolster 11 are provided with an opening 46 on two end carriages 82.

As shown in fig. 6, there are two lateral backstops 47, two transverse directions to stop for installation on the side wall of 46 both lateral sides of each opening Gear 47 is stretched out from two sides to the direction of 11 lower section extension 45 of bolster simultaneously, and the extension 45 of 11 lower section of bolster stretches to two cross To between backstop 47, and there are lateral backstop gaps between lateral backstop 47.Preferable cross is played in vehicle operation Effect to backstop passes through some small curves half with to avoid vehicle to limit the lateral displacement that vehicle exceeds normal freedom degree The dangerous working conditions such as rollover occur for diameter.

As shown in figure 18, in the present embodiment, lateral backstop 47 is made of three-decker, respectively wearing layer 47a, rubber layer 47b and backplane level, wearing layer 47a are located at the top layer contacted with the extension 45 of bolster 11, pass through wearing layer 47a and bolster 11 Extension 45 contacts, and wearing layer 47a uses the nylon material of high abrasion characteristic, has the characteristics that using nylon material wear-resisting, mentions The service life of high transverse direction backstop 47.Rubber layer 47b is arranged between wearing layer 47a and backplane level, rubber layer 47b and backplane level Vulcanization is integrally formed, and wearing layer 47a is together with rubber layer 47b gluing knot.As shown in fig. 6, backplane level is solid by bolt 48 It is scheduled on the side wall of the opening 46 on end carriage 82.As shown in figure 18, backplane level consists of three parts, respectively the first bottom plate 47c, Second bottom plate 47d and third bottom plate 47e, the first bottom plate 47c are located at the bottommost of backplane level, and the center of the first bottom plate 47c has One opening, stretches to rubber layer 47b's in the thicker tubular second bottom plate 47d of opening throat thickness, the second bottom plate 47d Inside has internal thread hole 47f at the center of the second bottom plate 47d.Internal thread hole 47f runs through the second bottom plate 47d, third bottom plate 47e is mounted on the top of internal thread hole 47e, plays the role of backstop, while can guarantee the structural strength of junction, the first bottom Plate 47c, the second bottom plate 47d and third bottom plate 47e and rubber layer 47b integrated vulcanizing form.Internal thread hole 47f can also be using not Through the gap structure of the second bottom plate 47d, do not need then that third bottom plate 47e is in addition arranged at this time.As shown in fig. 6, in end carriage 82 Side wall on be provided with mounting hole 50, passed through on mounting hole 50 and lateral 47 backplane level of backstop on end carriage 82 by bolt 48 Threaded hole 47f is fixedly connected, and then lateral backstop 47 is fixed on end carriage 82, mounting hole 50 and spiral shell on 82 side wall of end carriage One setting-up piece (not indicating in figure) is installed between the head of bolt 48.

The transverse direction backstop 47 ensure that good stiffness curve in the case where the elastic characteristic for guaranteeing lateral backstop 47 requires Can, meet lateral displacement under most severe operation situation and reduce to the maximum extent, significantly reduce vehicle it is traversing when bring shake It is dynamic, running stability is improved, increases the comfort of seating, and structure is simple, reliable performance, durability characteristics are strong.

When installing lateral backstop 47, existing vehicle is needed to adjust between the top of lateral backstop 47 and the extension 45 of bolster 11 Lateral backstop gap size, pad one or more again between the first bottom plate 47c and the side wall of end carriage 82 of lateral backstop 47 Gasket 49 is adjusted, it is easy to adjust quick.

It is indulged as shown in figure 4, respectively stretching out one to the direction of extension 45 in the longitudinal two side walls in inside of opening 46 To stopper section 42, longitudinal load-bearing is played the role of in longitudinal stopper section 42, when drawing pull bar 16 fail when, longitudinal stopper section 42 with stretch The cooperation of portion 45 remains to drive vehicle operation out.

Vehicle since circuit question can generate vertical vibration, and then can generate vertical impact to car body in high-speed cruising, In order to avoid overshoot phenomenon occurs, the limitation maximum vertical vibration distance of car body avoids exceeding limit, as shown in Fig. 6 and Figure 14, In the present embodiment, lift is additionally provided between bolster 11 and the end carriage 82 of framework 2, lift can not only limit vehicle The maximum vertical vibration distance of body, while bogie integral lifting can also be played the role of.

As shown in Fig. 6 and Figure 14, lift is two lifting bars 51, is mounted on the lower surface of bolster 11, two mention Sunpender 51 is symmetricly set on the lateral two sides of extension 45, to guarantee bonding strength when lifting, while can keep lifting When balance, the structure of two lifting bars 51 is identical, and the top of lifting bar 51 is connect with bolster 11, the bottom end of lifting bar 51 and structure The end carriage 82 of frame 2 connects.

As shown in figure 19,51 main body of lifting bar is an elongated cylinder, and the top of lifting bar 51 has a T forming head portion, T shape The two sides on head have rotation stop plane 57, and the bottom of lifting bar 51 has external screw thread, and externally threaded top has one section of diameter Bigger stopper section 61.

As shown in Fig. 6 and Figure 14, fixing port 52, fixing port are provided on 11 lower surface of bolster for needing to install lifting bar 51 52 inside is top end one piece of backing plate 53 of installation in lifting bar 51, and one piece of installation is locking on the excircle of fixing port 52 The inner ring of backing plate 54, locking backing plate 54 has two straight lines opposite with the rotation stop plane 57 of lifting bar 51, for limiting lifting Bar 51 rotates, and installs one piece of mounting blocks 55 again in the lower section of locking backing plate 54, the inner ring of mounting blocks 55 has the T with lifting bar 51 The bottom of the conical surface that forming head portion bottom surface matches, the outer ring of mounting blocks 55 has step-like structure, sets on step-like position Four bolts hole are set, mounting blocks 55 and bolster 11 are fixed together by four bolts 56, its T shape after mounting of lifting bar 51 Head is mounted block 55 and blocks, meanwhile, the annular groove on mounting blocks 55 also with a circle indent, inside it filled with close Seal 58 also functions to the effect being further fixedly secured while playing the role of sealing.

As shown in fig. 6, corresponding to every lifting bar 51 on the end carriage 82 of framework 2 is provided with lifting opening 59, lifting opening 59 The two sides of opening 46 are symmetrically opened in, one bayonet 60 are installed in the bottom of lifting bar 51, the diameter of bayonet 60 is greater than lifting opening 59 Diameter, bayonet 60 has a vertical distance apart from lifting opening 59, which is the maximum vertical vibration distance of permission.Bayonet 60 bottom inner ring has the conical surface, installs a positioning block 62 in the lower section of bayonet 60, has and card on the upper surface of locating piece 62 The conical surface of mouthful 60 cone match, the inner ring of locating piece 62 have a step-like structure, step-like structure after mounting with lifting bar 51 Stopper section 61 leans, and plays the role of positioning backstop, a nut 63 is tightened in the bottom of lifting bar 51 in the lower section of locating piece 62 Realize and fix that there is the annular groove of an annular indent in the inner ring of bayonet 60, an O-ring seals are installed in annular groove 64, the effect of fixed bayonet 60 is also functioned to while playing the role of sealing.After installation, if bolster 11 is vertical upward Mobile, the bayonet 60 of 51 bottom of lifting bar may be stuck at lifting opening 59, and then can be to avoid overshoot.Meanwhile the lifting bar 51 in lifting, and bayonet 60 is stuck on framework 2, realizes the integral lifting of bogie and car body.

As shown in fig. 6, in order to protect lifting bar 51, the end carriage 82 at lifting opening 59 has concave up fovea superior part 65, the side wall for being opened in the fovea superior part 65 for installing the mounting hole 50 of bolt 48 of lateral backstop 47, lifting opening 59 is opened On the roof of the fovea superior part 65.Fovea superior part 65 not only facilitates the installation for installing lateral backstop 18 and lifting bar 51, also just It is simplified to a certain extent in daily maintenance it is not necessary that the structures such as lateral backstop mounting base, vertical backstop mounting base are in addition arranged The structure of bogie 1 also mitigates the weight of bogie 1.

As shown in Fig. 6 and Figure 20, two groups of secondary spring compositions 8, two group of two system are set between each bolster 11 and framework 2 Spring composition 8 along framework 2 transverse symmetrical arrangement in the outside of two lifting bars 51, the structure phase of two groups of secondary springs compositions 8 Together.

As shown in figure 21, secondary spring composition 8 is made of the spring of upper padding plate 66, lower bolster 67 and centre, intermediate bullet Spring part is made of, not only compact overall structure using double steel coil springs interior spring 68 and outer spring 69, and stability is good, can be with The stability for improving vehicle operation meets the requirement of big volume of passenger traffic carrying, nervous especially suitable for space between car body and bogie Low-floor city railway vehicle.

Upper padding plate 66 is made of the rubber layer 66c of upper layer metal plate 66a, lower metal plate 66b and centre, rubber layer 66c It is sulfided with upper layer metal plate 66a, lower metal plate 66b, upper padding plate 66 has a centre bore 66d.Such as Figure 14 Figure 20 institute Show, first mounting groove 70 is arranged in corresponding upper padding plate 66 on the lower surface of bolster 11, has at the center of the first mounting groove 70 There is the mounting portion 71 of downwardly projecting annular, mounting portion 71 merges with centre bore 66d matching to be inserted into centre bore 66d, is played Fixed effect is positioned, the diameter and upper padding plate 66 of the first mounting groove 70 cooperate, and are stuck in upper padding plate 66 in first mounting groove 70 And realize and fix, while centre bore 66d is stuck at mounting portion 71, and then realizes being fixedly connected for upper padding plate 66 and bolster 11, on Without traditional bolted mode between backing plate 66 and bolster 11, keep installing and dismounting more simple and convenient, makes to install Disassembly is more simple and convenient, reduces the operation and maintenance of fastener, and keeps secondary spring 8 structures of composition more compact, with The device is set to be more suitable for the low-floor rail vehicle of space anxiety between car body and bogie.

There is downwardly projecting upper spring positioning protrusion in a ring in the lower surface of the lower metal plate 66b of upper padding plate 66 Between interior spring 68 and outer spring 69, upper spring positioning protrusion 66e is metal plate and and lower layer by 66e, upper spring positioning protrusion 66e Metal plate 66b welds together or is integrally formed.

As shown in Fig. 2, Figure 20 and Figure 21, each secondary spring composition 8 is corresponded on the end carriage 82 of framework 2 and is provided with second Mounting groove 72, the diameter and lower bolster 67 of the second mounting groove 72 cooperate, and lower bolster 67 is made to be stuck in the second mounting groove 72 and realize It is fixed.Lower bolster 67 is made of positioning seat 67a and adjusting pad, and positioning seat 67a is metal plate, on the upper surface of positioning seat 67a Equally there is a lower spring positioning protrusion 67b in a ring protruding upward, lower spring positioning protrusion 67b is positioned at interior spring 68 and outside Between spring 69, lower spring positioning protrusion 67b is metal plate, welds together or is integrally formed with positioning seat 67a.After installation, under Backing plate 67, which is fixed, realizes being fixedly connected between secondary spring composition 8 and end carriage 82 in 72 bottom of the second mounting groove of framework 2, under Equally keep installing and dismounting more simple and convenient without traditional bolted mode between backing plate 67 and end carriage 82, subtract The operation and maintenance of fastener is lacked, so that secondary spring is formed 8 structures more compact.The second installation on end carriage 82 Slot 72 is inverted conical shape structure, can also be to avoid when vehicle is run while fixed secondary spring composition 8, secondary spring The inner wall of composition 8 and the second mounting groove 72 collides.In the present embodiment, the second mounting groove 72 uses the structure of sunk type, further Reduce the height of floor.

On the one hand upper spring positioning protrusion 666e and lower spring positioning protrusion 67b plays damping effect, on the other hand, this Kind " protrusion " structure separates interior spring 68 and outer spring 69, when vehicle is needed through small curve, i.e., when secondary spring composition 8 generates When big displacement, reduce a possibility that interior spring 68 and outer spring 69 collide, efficiently avoids the unstability of secondary spring composition 8.

The adjusting pad of lower bolster 67 is divided into two kinds of different structures, and one is interior spring adjusting pad 67c, interior spring adjusting pad 67c is Rubber pad is mounted on the bottom of the i.e. interior spring 68 of inner ring of lower spring positioning protrusion 67b, for the spring in ordinance load compression relative superiority or inferiority 68 adjustment, another kind are outer spring adjusting pad 67d, and outer spring adjusting pad 67d is rubber pad, are mounted on lower spring positioning protrusion 67b Outer ring be outer spring 69 bottom, for the adjustment of outer spring 69, to guarantee interior spring 68 and outer spring 69 under same service load Compression is high, and then guarantees running smoothly between car body and bogie.Meanwhile upper padding plate 66 utilizes the flexibility of rubber layer 66c Significantly reduce the vibration of steel spring bring and impact.

Tubular protective cover 73 is installed between the first mounting groove 70 and the second mounting groove 72, secondary spring composition 8 is wrapped It is trapped among in protective cover 73, protective cover 73 is preferably made of the nitrile rubber integrated vulcanizing of oil resistant, fine corrosion resistance.Protective cover 73 are made of upper clamping portion, intermediate cylindrical part and lower clamping portion, and intermediate cylindrical part uses wavy shaped configuration, upper clamping portion and lower card Socket part is sealedly and fixedly connected respectively on the first mounting groove 70 and the second mounting groove 72, be not only advantageous to protective cover 73 installation and Secondary spring composition 8 is also sealed in protective cover 73, prevents greasy dirt, water droplet etc. from penetrating into the framework of framework, cause by disassembly Corrosion.In addition, dustproof construction itself realizes folding characteristic at " wave " shape, in vehicle operation to adapt under different loads The sealing of steel spring deformation.

As shown in Figure 20 and Figure 21, in the present embodiment, it is additionally provided with a vertical backstop 74 at the center of interior spring 68, it is vertical to stop Gear 74 is fixed on the upper padding plate 66 in secondary spring composition 8.Vertical backstop 74 is by rubber 74a, bottom plate 74b and baffle plate 74c Composition, rubber 74a and bottom plate 74b and baffle plate 74c sulfide molding, and rubber 74a is located at the lower section of bottom plate 74b, bottom plate The center of 74b has an internal thread hole (not indicating in figure), and baffle plate 74c is located at the bottom of internal thread hole, bottom plate 74b and backstop Plate 74c uses metal plate, even if there is the case where secondary spring fracture, vertical backstop 74 cooperates with boss 76 also can be as safety Support, guarantees the driving safety of rail vehicle, the center of the lower metal plate 66b of the upper padding plate 66 in secondary spring composition 8 With a mounting hole, it is fixed together between bottom plate 74b and lower metal plate 66b by bolt 75.Bottom plate 74b with it is upper It being additionally provided with adjustment plate 74d between backing plate 66, being adjusted when for installing between 76 top of bottom and protrusion of vertical backstop 77 Vertical backstop gap.

As shown in figure 20, in the second mounting groove 72 of end carriage 82, a upward protrusion 76, protrusion 76 and framework are provided with What 2 integrally castings came out, the center of the lower bolster 67 in secondary spring composition 8 has opening, and protrusion 76 is inserted into after mounting In the opening of lower bolster 67, and stretch to the inside of interior spring 68, with vertical 74 face of backstop be arranged, the bottom of vertical backstop 74 with There is vertical backstop gap between the top of protrusion 76.When vehicle operates normally, bottom and the protrusion 76 of vertical backstop 74 It is not contacted between top, only in the biggish situation of load capacity, when secondary spring composition 8 is compressed, the bottom of vertical backstop 74 It is contacted with 76 top of protrusion, vertical backstop 74 is also further compressed, due to linear, the rubber material of the rigidity of double steel coil springs The rigidity of the vertical backstop 74 of material is non-linear, when load capacity is larger, in vertical backstop 74 and the second mounting groove 72 protrusion 76 contact and are compressed, and while playing the role of backstop action, also function to variation rigidity, are conducive to improve the dynamic of vehicle operation Mechanical property.

As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, there is the strip extended transversely on the center crossbeam 77 of framework 2 Annular groove 83, annular groove 83 are respectively arranged one in the upper and lower surfaces of center crossbeam 77, and the intermediate connection of center crossbeam 77 can increase Add structural strength herein, improve bearing capacity, upper and lower two strip slots 83 can also be through setting.In center crossbeam 77 The second drawing pull bar installation interface 84 is fixedly installed in the two side walls of annular groove 83 respectively, on each side wall there are four installations Second drawing pull bar installs interface 84, and four the second drawing pull bar installation interfaces 84 are disposed side by side on the side side of annular groove 83 On wall, intermediate two the second drawing pull bars installation interface 84 is closely packed together fixed or is an integral structure, four second tractions Pull rod installation interface 84 is used to fix four attachment base 16c of two 16 ends of drawing pull bar.In center crossbeam 77, annular is set Slot 83 greatly facilitates the dismounting of the second drawing pull bar installation interface 84.

Second drawing pull bar installation interface 84 is designed to separate structure, is divided into left and right two parts, has one on each part Semicircle installing port forms complete second installing port 39 after two part snap-fits, for accommodating the company of 16 end of drawing pull bar Joint chair 16c, one of side wall with the center crossbeam 77 of framework 2 are fixedly connected, and install interface in second drawing pull bar of block 84 center has a smooth bore, and tool internal thread threaded hole is correspondingly also equipped on the side wall of center crossbeam 77, The block and center crossbeam 77 are fixed together by bolt 85.In order to avoid bolt 85 influences drawing pull bar 16 after mounting A groove 103 is arranged on the inner wall of second drawing pull bar of block installation interface 84, to accommodate the head of bolt 85 in installation. Two attachment base 16c of 16 end of drawing pull bar are correspondingly placed into the semicircle installing port of two sides, then another piece is fastened, and Two pieces are fixed together with four bolts 86, and then the attachment base 16c of 16 end of drawing pull bar is fixed, for tightening The nut 104 of 86 end of bolt is protruded into from the center of annular groove 83, is inserted into the tail portion of bolt 86 and is tightened, upper and lower two annulars Two nuts 104 are respectively installed in slot 83, can completely drawing pull bar 16 fixation, operate it is very simple and convenient, greatly improved Installation effectiveness.As when installation the first drawing pull bar installation interface 12, when installation, installs one in the pin hole 78 of attachment base 16c Pin hole on positioning pin 79, with the second drawing pull bar installation interface 84 cooperates, and so that drawing pull bar 16 is accurately installed, Er Qieke To improve installation effectiveness.

In the present embodiment, in the attachment base 16c of the end of drawing pull bar 16 setting cylindrical body, installed with the first drawing pull bar Circular first installing port 17 and the cooperation of the second installing port 39 of interface 12 and the second drawing pull bar installation interface 84 are fixed, longitudinal Transmission force is realized by complete round binding face, longitudinal transmission capacity not only can be improved, and can mitigate abrasion, simultaneously Flexural pivot is arranged in the both ends of drawing pull bar 16, makes it have lesser lateral stiffness, meets transverse direction big between car body and bogie Displacement and length travel, improve longitudinal traction ability and anti-side rolls ability, improve the overall performance of traction device.

As shown in Fig. 3, Fig. 7 and Fig. 8, a transverse direction is installed in the damper mounting base 37 in each 11 outside of bolster and is subtracted Vibration device 9 and two vertical dampers 10, two vertical dampers 10 are set the two sides in the cross-car of lateral damper 9, are subtracted Vibration device mounting base 37 is set as two, installs a lateral damper 9 in a damper mounting base 37 wherein and one hangs down To damper 10, a vertical damper 10, lateral damper 9 and vertical damper are installed in another damper mounting base 37 10 other end is fixedly connected with the end carriage 82 of framework 2.

As shown in fig. 7, lateral damper 9 is identical with the structure of vertical damper 10, connected by damper ontology 87, first Extension bar 88, the second connecting rod 89 form, and there are four mounting holes for tool on the shell of damper ontology 87, fixed by bolt 90 respectively In the damper mounting base 37 of bolster 11, one end of first connecting rod 88 is fixedly connected with damper ontology 87, the other end with The connection of second connecting rod 89, the other end of the second connecting rod 89 are connect with framework 2, are provided on the side wall of end carriage 82 and are laterally subtracted Vibration device fixing seat 100 and vertical damper fixing seat 99, the other end of the second connecting rod 89 are connected to the lateral vibration absorbing of end carriage 82 In device fixing seat 100 or vertical damper fixing seat 99.The both ends of second connecting rod 89 and first connecting rod 88 and lateral vibration absorbing It is connected by an oscillating bearing 91 between device fixing seat 100 or vertical damper fixing seat 99.The outer ring of oscillating bearing 91 It is connect with the second connecting rod 89, inner ring installation one connecting shaft 92 of connection of oscillating bearing 91, connecting shaft 92 is stretched out from side to be inserted into To framework 2 lateral damper fixing seat 100 or vertical damper fixing seat 99 mounting hole in, and it is solid by puller bolt It is fixed.Connection structure between second connecting rod 89 and the first first connecting rod 88 is same.

As shown in figure 8, the second connecting rod 89 is divided into two sections in the present embodiment, centre is connected by one section of connecting rod 105, It is connected through a screw thread between connecting rod 105 and two section of second connecting rod 89, this structure can be convenient the second connecting rod 89 and both ends First connecting rod 88 be fixedly connected with lateral damper fixing seat 100 or vertical damper fixing seat 99.

As shown in Figure 7 and Figure 8, a dust cover is respectively cased in the outside of the oscillating bearing 91 at 89 both ends of the second connecting rod 93.As shown in figure 22, dust cover 93 is made of rubber material, opening 94 that there are two tools and opening 95, opening 94 and opening 95 Towards being in 90 degree, an opening 94 connects for covering with the second connecting rod 89 for covering the second connecting rod 89, another opening 95 The connecting shaft 92 connect, 95 diameter of being open is slightly less than the diameter of connecting shaft 92, and its round edge is taper, so that can after installation herein The diameter of tight seal, another opening 94 is bigger, facilitates installation, is tightened after installation by band 96 and is fixed on the second connecting rod 89 On.In dust cover 93 close to the position of opening 95, there is wave structure, improving enough distortion allowances.In the second connecting rod Also there is pouring orifice 97 on the oscillating bearing 91 of 89 lower sections.

As shown in fig. 7, the first connecting rod 88 of lateral damper 9 is vertical setting, the second connecting rod 89 is laterally It is arranged, the first connecting rod 88 of vertical damper 10 is laterally arranged, and the second connecting rod 89 is vertical setting, due to Each junction is all made of the connection of oscillating bearing 91, when generating oscillation crosswise or vertical vibration when the vehicle is running, the second connecting rod 89 can swing within a certain angle on lateral or vertical, and then first connecting rod 88 is driven to swing, and damper ontology 87 limits The swing angle of first connecting rod 88, so play horizontally with it is vertical on damping effect.

Lateral damper 9 and vertical damper 10 are mounted on the side wall of bolster 11 and the end carriage 82 of framework 2 by the present invention Between side, and damper ontology 87 is connected by first connecting rod 88 and the second connecting rod 89 with the framework 2 as vibration source Connect, the rotary motion of damper ontology 87 be not only changed into the linear motion of the second connecting rod 89, effectively realize laterally and The amplification of vertical deviation increases the damping regulating effect of damper, and adjusting is more flexible, but also the structure of bogie is more It is simple and compact, it is more favorable to reduce height of floor from rail top.

As described above, the plan content in conjunction with given by attached drawing, can derive similar technical solution.But it is all not take off Content from technical solution of the present invention, according to the technical essence of the invention it is to the above embodiments it is any it is simple modification, etc. With variation and modification, all of which are still within the scope of the technical scheme of the invention.

Claims (16)

1. a kind of low-floor articulated track vehicle bogie suspension traction device, including bolster composition, drawing pull bar composition, one It is spring composition and secondary spring composition, the secondary spring composition is mounted between bolster composition and the framework of bogie, Be characterized in that: the bolster composition and drawing pull bar composition are two groups, and the composition of bolster described in two groups is separately positioned on two groups of wheels Pair centre, the composition of bolster described in every group is connect by one group of drawing pull bar composition with the center crossbeam of framework, described in two groups Drawing pull bar composition is mounted among two curb girders of framework and sets up separately in the two sides of the center crossbeam, every group of drawing pull bar group At including two drawing pull bars disposed in parallel, connected between the composition of bolster described in every group and car body by swing mechanism.

2. a kind of low-floor articulated track vehicle bogie suspension traction device according to claim 1, feature exist In: bolster composition includes bolster, and the side of the bolster is provided with multiple the with drawing pull bar composition connection One drawing pull bar installs interface, extends downwardly an extension, the extension in the center of the lower surface of the bolster It is inserted into the opening being architecturally arranged.

3. a kind of low-floor articulated track vehicle bogie suspension traction device according to claim 2, feature exist In: lateral backstop, stretching below the bolster are separately installed on the both lateral sides side wall for the opening being arranged on the framework Portion stretches between two lateral backstops out, and there are lateral backstop gaps between the lateral backstop.

4. a kind of low-floor articulated track vehicle bogie suspension traction device according to claim 3, feature exist In: the transverse direction backstop is made of wearing layer, rubber layer and backplane level, and the wearing layer is located to be connect with the extension of the bolster The top layer of touching, rubber layer are arranged between wearing layer and backplane level, and the backplane level is fixedly connected with framework.

5. a kind of low-floor articulated track vehicle bogie suspension traction device according to claim 2, feature exist In: the other side opposite with first drawing pull bar installation interface is equipped with lateral damper and hangs down on each bolster To damper, the other end of the lateral damper and vertical damper is connect with framework.

6. a kind of low-floor articulated track vehicle bogie suspension traction device according to claim 5, feature exist In: one lateral damper and two vertical dampers are installed in the side of each bolster, two vertical dampers are set It sets in the two sides of lateral damper.

7. a kind of low-floor articulated track vehicle bogie suspension traction device according to claim 5 or 6, feature Be: the lateral damper and vertical damper are made of damper ontology, first connecting rod and the second connecting rod, described Damper ontology is fixed on the side wall of bolster, and one end of the first connecting rod is connect and the other end and institute with damper ontology The connection of the second connecting rod is stated, the damper fixing seat connection on the other end and framework of second connecting rod, described second connects It is connected by oscillating bearing between extension bar and first connecting rod and damper fixing seat.

8. a kind of low-floor articulated track vehicle bogie suspension traction device according to claim 7, feature exist In: on the outside of the oscillating bearing it is cased with dust cover.

9. a kind of low-floor articulated track vehicle bogie suspension traction device according to claim 2, feature exist In: the first drawing pull bar installation interface is seperated structure, and semicircular opening is respectively arranged on two parts simultaneously Circular the first installing port for being used to install drawing pull bar is collectively constituted after fastening, two parts are bolted to connection.

10. a kind of low-floor articulated track vehicle bogie suspension traction device according to claim 1, feature exist In: lift is provided between bolster composition and framework, the top of the lift and bolster composition connect, institute The bottom end for stating lift is connect with framework.

11. a kind of low-floor articulated track vehicle bogie suspension traction device according to claim 10, feature Be: the lift is two lifting bars, and two lifting bars are symmetricly set under bolster composition along cross-car Side.

12. a kind of low-floor articulated track vehicle bogie suspension traction device according to claim 1, feature exist In: there is the annular groove extended transversely on the center crossbeam of the framework, installed respectively in the two side walls of annular groove There is the second drawing pull bar installation interface for being fixedly connected with the side-lining tie rod end.

13. a kind of low-floor articulated track vehicle bogie suspension traction device according to claim 12, feature Be: the second drawing pull bar installation interface is seperated structure, is respectively arranged with semicircular opening on two parts And circular the second installing port for being used to install drawing pull bar is collectively constituted after fastening, two parts are bolted company It connects.

14. a kind of low-floor articulated track vehicle bogie suspension traction device according to claim 1, feature exist In: the drawing pull bar includes the flexural pivot of intermediate pull rod and both ends, is respectively installed on two flexural pivot axis of each flexural pivot One cylindrical body attachment base.

15. a kind of low-floor articulated track vehicle bogie suspension traction device according to claim 1, feature exist In: the swing mechanism includes slewing bearing and car body attachment base, and the slewing bearing is fixedly mounted on bolster group Cheng Shang, the top of the car body attachment base is fixed on the car body, and lower part is fixed in the slewing bearing, in the revolution Spring bearing is provided centrally with for the oil filling mechanism for the slewing bearing oiling.

16. a kind of low-floor articulated track vehicle bogie suspension traction device according to claim 1, feature exist In: the secondary spring composition is made of upper padding plate, lower bolster and the spring of centre, is additionally provided with one in the inside of the spring Vertical backstop, the vertical backstop are fixed on the upper padding plate, are architecturally correspondingly arranged on a upward protrusion, described convex The inside for stretching to the spring after mounting is played, and is arranged with vertical backstop face, the bottom of the vertical backstop and protrusion Top between have vertical backstop gap.